SENSOR APPARATUS AND METHOD BASED ON WAVELENGTH CENTROID DETECTION
First Claim
Patent Images
1. A system, comprising:
- an analyte-specific sensor material arranged to interact with input light and to asymmetrically alter a spectral distribution of the input light in response to presence of a specific analyte; and
a detector configured to sense the altered input light and to generate at least one electrical signal comprising information about a shift in the centroid of a spectral distribution of the altered input light relative to a centroid of the spectral distribution of the input light in response to presence of the specific analyte.
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Abstract
Sensor material is arranged to interact with input light and to asymmetrically alter a spectral distribution of the input light in response to presence of an external stimulus. A detector is configured to sense the altered input light and to generate at least one electrical signal comprising information about a shift in the centroid of a spectral distribution of the altered input light relative to a centroid of the spectral distribution of the input light.
11 Citations
24 Claims
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1. A system, comprising:
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an analyte-specific sensor material arranged to interact with input light and to asymmetrically alter a spectral distribution of the input light in response to presence of a specific analyte; and a detector configured to sense the altered input light and to generate at least one electrical signal comprising information about a shift in the centroid of a spectral distribution of the altered input light relative to a centroid of the spectral distribution of the input light in response to presence of the specific analyte. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system, comprising:
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sensor material arranged to interact with input light and to asymmetrically alter a spectral distribution of the input light in response to presence of an external stimulus; and a detector configured to sense the altered input light and to generate at least one electrical signal comprising information about a shift in the centroid of a spectral distribution of the altered input light relative to a centroid of the spectral distribution of the input light. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method, comprising:
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causing sensor material to interact with input light, the sensor material asymmetrically altering a spectral distribution of the input light in response to presence of an external stimulus; sensing altered input light; and generating at least one electrical signal comprising information about a shift in the centroid of a spectral distribution of the altered input light relative to a centroid of the spectral distribution of the input light. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification